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patch 8.2.0618: echoing a null list results in no output

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Problem:    Echoing a null list results in no output. (Yegappan Lakshmanan)
Solution:   Return "[]" instead of NULL in echo_string_core().
This commit is contained in:
Bram Moolenaar
2020-04-22 19:13:19 +02:00
parent d2662ad2de
commit db950e4c03
3 changed files with 5 additions and 1 deletions
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3
src/eval.c
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@@ -4528,8 +4528,9 @@ echo_string_core(
case VAR_LIST:
if (tv->vval.v_list == NULL)
{
// NULL list is equivalent to empty list.
*tofree = NULL;
r = NULL;
r = (char_u *)"[]";
}
else if (copyID != 0 && tv->vval.v_list->lv_copyID == copyID
&& tv->vval.v_list->lv_len > 0)